Developement of new technologies using advanced processes on thin polysilicon layers and amorphous silicon, processes of alloying and deposition of metallic thin films and realization of superficial junction by non-conventional techniques.

Identification and technological implementation of techniques to concentrate light on microstructured surfaces

Realization of the experimental demonstrator and patenting the technologies

Technology validation

The main problems that have to be solved in the frameof theproject are:

1. Design problems and technological problems for the structure fabrication:

new structures of photovoltaic cells of higher efficiency based on thin layers of polycrystalline and amorphous silicon design

structures of photovoltaic cells of higher efficiency design using data from simulating software of device and process

design of the mask set for fabrication of the demonstrator based on thin layer on silicon/glass substrate

Analysis of the existent software simulation capabilities and the possibilities to use them in order to model the realization processes of highly efficient solar cells. Estimation of the possibilities to use the simulated structure to extract the main electrical characteristics of the device.

Studies regarding the selection of precursors to obtain by sol-gel method of the doped and undoped oxidic layers in order to realize photovoltaic devices with high conversion efficiency (PDHCE)

Thin polysilicon and amorphous layers deposition on various substrates